OT Network Administrator – DoD Facility Cyber Ops (Guam)

C3EL; Guam; On-site; USD 110,000 - 160,000; Full time

Job summary

C3EL seeks an experienced Operational Technology (OT) Network Administrator to support critical DoD facility operations in Guam. You will provide advanced IT/OT network administration and cybersecurity across complex environments, ensuring secure, reliable connectivity for control systems and mission-critical operations.

The role requires hands-on OT/ICS/SCADA experience, strong network skills, and the ability to work with government stakeholders while maintaining security and operational

Qualifications

• Active Top Secret clearance required.
• At least one intermediate certification: Security+, CEH, Cloud+, GCIH, GICSP, GSEC or SSCP.
• At least one advanced certification: SecurityX (CASP+), CCNA, CCNP Security, CCSP, GCED, GCIA, GCLD, GDSA or GFACT.
• Minimum 5 years of advanced network administration experience.
• Minimum 3 years in OT/ICS/SCADA/BMS/FRCS/IT-OT environments.
• Routing, switching, VLANs, firewall administration, ACLs, segmentation.
• DoD cybersecurity requirements and STIG compliance experience.
• Able to communicate with government customers and stakeholders.
• Proficient in Microsoft Office Suite.
• Able to perform physical tasks in facility environments (standing, climbing, lifting up to 25 lbs).

Responsibilities

• Perform advanced network administration and troubleshooting for IT/OT environments supporting DoD facilities.
• Configure and maintain routers, switches, VLANs, firewalls, ACLs, and segmentation solutions.
• Support OT/ICS/SCADA/BMS/FRCS integration and operation.
• Develop and maintain firewall rules and network security configurations.
• Apply DoD cybersecurity requirements and STIG compliance within OT.
• Support design, modernization, testing, commissioning, and acceptance activities.
• Analyze bandwidth, latency, jitter, packet loss, and connectivity metrics.
• Use Wireshark and other tools to troubleshoot network issues.
• Create topology diagrams, backups, and technical reports.
• Coordinate with government personnel and engineers to resolve issues.

Skills

Advanced network administration

OT/ICS/SCADA support

Firewall administration

Network segmentation

Communication with government

Technical documentation

Education

High School diploma or equivalent

Tools

Wireshark

Microsoft Office Suite

Job description

C3EL seeks an experienced Operational Technology (OT) Network Administrator to support critical DoD facility operations in Guam. You will provide advanced IT/OT network administration and cybersecurity across complex environments, ensuring secure, reliable connectivity for control systems and mission-critical operations.

The role requires hands-on OT/ICS/SCADA experience, strong network skills, and the ability to work with government stakeholders while maintaining security and operational